not this time! now that her doctor switched her to once-a-day xarelto®, mary can leave those monthly trips behind. domestic flight? not today! like warfarin, xarelto® is proven effective to reduce afib-related stroke risk. but xarelto® is the first and only once-a-day prescription blood thinner for patients with afib not caused by a heart valve problem that doesn't require regular blood monitoring. so mary is free of that monitoring routine. for patients currently well managed on warfarin, there is limited information on how xarelto® and warfarin compare in reducing the risk of stroke. xarelto® is just one pill a day taken with the evening meal. spinach? grazie! plus, with no known dietary restrictions, mary can eat the healthy foods she likes. don't stop taking xarelto®, rivaroxaban, unless your doctor tells you to. while taking xarelto®, you may bruise more easily and it may take longer for bleeding to stop. xarelto® may increase your risk of bleeding if you take certain medicines. xarelto® can cause serious bleeding, and in rare cases, may be fatal.